Finding the Fourth Proportional to 2,668.43, 3,681.69 and 2,077.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.43 : 3,681.69 = 2,077.94 : x
2. Step 2: Convert to fraction form
   2,668.43/3,681.69 = 2,077.94/x
3. Step 3: Cross multiply
   2,668.43x = 3,681.69 × 2,077.94
4. Step 4: Simplify right side
   2,668.43x = 7,650,312.51
5. Step 5: Solve for x
   x = 7,650,312.51/2,668.43
6. Step 6: Final answer
   x = 2,866.98